the rule of 72 Concepts

The Intelligent Asset Allocator: How to Build Your Portfolio to Maximize Returns and Minimize Risk

by William J. Bernstein · 12 Oct 2000

% ⫹ 1% ⫹ 1.5% ⫽ 4% This means that you will about double the real value of your portfolio every 18 years. (This is easily calculated from “the rule of 72,” which says that the return rate multiplied by the time it takes to double your assets will equal 72. In other words, at 6% return

Naked Economics: Undressing the Dismal Science (Fully Revised and Updated)

by Charles Wheelan · 18 Apr 2010 · 386pp · 122,595 words

seem like a trivial difference; in fact, it has a profound effect on our standard of living. One handy trick in finance and economics is the rule of 72; divide 72 by a rate of growth (or a rate of interest) and the answer will tell you roughly how long it will take for

I Will Teach You To Be Rich

by Sethi, Ramit · 22 Mar 2009 · 357pp · 91,331 words

about it. (If you really want more control, you can pick individual index funds instead of lifecycle funds, which I’ll discuss on page 188.) The Rule of 72 * * * The Rule of 72 is a fast trick you can do to figure out how long it will take to double your money. Here’s how it works: Divide

Fred Schwed's Where Are the Customers' Yachts?: A Modern-Day Interpretation of an Investment Classic

by Leo Gough · 22 Aug 2010 · 117pp · 31,221 words

25 years to £543. A useful way to estimate how long it will take an investment to double at a given rate of interest is ‘the rule of 72’. Simply divide the annual interest rate into 72, and you will get the approximate length of time it will take to double. For example, how

Retirementology: Rethinking the American Dream in a New Economy

by Gregory Brandon Salsbury · 15 Mar 2010 · 261pp · 70,584 words

the Magic Penny. In the world of finance, many professionals utilize a mathematical formula called the Rule of 72, and it provides a thumbnail estimate of how long it may take an investor’s portfolio to double in value. The Rule of 72 simply divides 72 by the assumed rate of return to get a rough estimate of

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return, your money would double in 7.2 years.) Simple as that. However, when you apply the reality of taxation, the formula can change dramatically. The Rule of 72 becomes a concept I call 72/33/50; assuming a 33% tax rate, it takes 50% longer to double your money. Sticking with a 7

The Four Pillars of Investing: Lessons for Building a Winning Portfolio

by William J. Bernstein · 26 Apr 2002 · 407pp · 114,478 words

grows its earnings at 5% per year. This means that over a 14-year period, it will approximately double its earnings. (This is according to the “Rule of 72,” which states that the earnings rate times the doubling time equals 72. In the above example, 72 divided by 5% is approximately 14. Or, alternatively

Smarter Investing

by Tim Hale · 2 Sep 2014 · 332pp · 81,289 words

protect against and that is inflation. Even at what seem relatively low levels of inflation, your spending power in retirement could be significantly eroded. Tip: The Rule of 72 is a useful one: divide 72 by the rate of inflation to see how quickly the price of goods will double. For example, with inflation

Bulletproof Problem Solving

by Charles Conn and Robert McLean · 6 Mar 2019

a combination of living in America, some lucky genes, and compound interest.”4 A really quick way to estimate compounding effects is to use the Rule of 72.5 The rule of 72 allows you to estimate how long it takes for an amount to double given its growth rate by dividing 72 by the rate of growth

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$100k. The actual answer is $83k based on a 36% compounding rate, doubling every 2 years. Pretty good with no facts, just the Rule of 72! Where do errors occur with the rule of 72? When there is a change in the growth rate, which of course is often the case over longer periods. This makes sense, as

Financial Freedom: A Proven Path to All the Money You Will Ever Need

by Grant Sabatier · 5 Feb 2019 · 621pp · 123,678 words

the money in the future, but your choice is up to you. Double your money with the Rule of 72. A simple way to estimate how much something will be worth at 7 percent compounding is to use the rule of 72, in which you divide 72 by your expected compounding rate (7 percent) to determine how many

The Bogleheads' Guide to Investing

by Taylor Larimore, Michael Leboeuf and Mel Lindauer · 1 Jan 2006 · 335pp · 94,657 words

. However, the power of compound interest and the accompanying Rule of 72 illustrate how anyone can slowly transform small change into large fortunes over time. The Rule of 72 is very simple: To determine how many years it will take an investment to double in value, simply divide 72 by the annual rate of

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power of compounding work for you. And if you are no longer young, it's even more important. Use the time you have to make the Rule of 72 work for you. THIS ABOVE ALL: SAVING IS THE KEY TO WEALTH As you will soon learn, the Boglehead approach to investing is easy to